Hey @SamP,
It’s hard to say and it sounds like you’ve disabled pre-rendering, so we won’t be able to test- if you’d like to re-enable and give us a shout, we could dig in further? But for general guidance about our prerender service, this is a great resource:
And then this is another more recent guide that’s part “how does prerender work” and part “how to set it up with Next.js”
Hopefully that sheds some light, but let us know if you have other questions about this!